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As soon as hardware is notified of a transmit, we no longer can assume
skb can be dereferenced, as TX completion might have freed the packet.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit efa230f2c68abab817f13473077f8d0cc74f43f3.
BQL doesn't work with how this driver currently only takes TX
interrupts every 1/4 of the TX ring. That behavior needs to be fixed,
but that's a larger non-trivial task and for now we have to revert
BQL support as this makes the device currently completely unusable.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The commit ba27ec66ffeb78cbf fixes the Kconfig of the
driver when built as module allowing to select/unselect
the PCI and Platform modules that are not anymore mutually
exclusive. This patch fixes and guarantees that the driver
builds on all the platforms w/ w/o PCI and when select/unselect
the two stmmac supports. In case of there are some problems
on both the configuration and the pci/pltf registration the
module_init will fail.
v2: set the CONFIG_STMMAC_PLATFORM enabled by default.
I've just noticed that this can actually help on
some configurations that don't enable any STMMAC
options by default (e.g. SPEAr).
v3: change printk level when do not register the driver.
Reported-by: Fengguang Wu <wfg@linux.intel.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The newer flavors of Yukon II use a different method for receive
checksum offload. This is indicated in the driver by the SKY2_HW_NEW_LE
flag. On these newer chips, the BMU_ENA_RX_CHKSUM should not be set.
The driver would get incorrectly toggle the bit, enabling the old
checksum logic on these chips and cause a BUG_ON() assertion. If
receive checksum was toggled via ethtool.
Reported-by: Kirill Smelkov <kirr@mns.spb.ru>
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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Adding device IDs for Aircard 320U and two other devices
found in the out-of-tree version of this driver.
Cc: linux@sierrawireless.com
Cc: Autif Khan <autif.mlist@gmail.com>
Cc: Tom Cassidy <tomas.cassidy@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 452503ebc (ARM: Orion: Eth: Add clk/clkdev support.) broke
the building of the driver on architectures which don't have clk
support. In particular PPC32 Pegasos which uses this driver.
Add #ifdef around the clk API usage.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patches fixes the driver when built as dynamic module.
In fact, the platform part cannot be built and the probe fails
(thanks to Bob Liu that reported this bug).
v2: as D. Miller suggested, it is not necessary to make the
pci and the platform code mutually exclusive.
Having both could also help, at built time ,to verify that
all the code is validated and compiles fine.
v3: removed wrong Reviewed-by from the patch
Reported-by: Bob Liu <lliubbo@gmail.com>
cc: Rayagond Kokatanur <rayagond@vayavyalabs.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The hardware bit IXGBE_RXD_STAT_VP appears to be set even when Rx
stripping is disabled. This results in passing frames up the stack
which do not have the 802.1Q tag stripped but have the tci bits
set as if it was.
Working around this with a check for the feature flag bit. I
would welcome any better ideas or a pointer to exactly which
bits in the hardware register need to be cleared to get the
IXGBE_RXD_STAT_VP bit to be set per data sheet.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Marcus Dennis <marcusx.e.dennis@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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DCB can be used independent of if RX VLAN stripping is enabled
or disabled so remove erroneous check.
Also enable or disable VLAN stripping when features are applied so
hardware and feature flags are in sync.
CC: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Marcus Dennis <marcusx.e.dennis@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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commit 44abd5c12767a8c567dc4e45fd9aec3b13ca85e0 introduced NULL pointer
dereferences when attempting to access the check_reset_block function
pointer on 8257x and 80003es2lan non-copper devices.
This fix should be applied back through 3.4.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Otherwise the LEDs stick around and cause issues the
next time around since they're still there but not
really hooked up.
Cc: stable@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Linus reported that due to mac80211 failing to register
the device (due to WoWLAN) his machine crashed etc. as
we double-freed the vmalloc() firmware area. His patch
to fix it was very similar to this one but I noticed
that there's another bug in the area: we complete the
completion before starting, so since we're running in
a work struct context stop() could be called while in
the middle of start() which will almost certainly lead
to issues.
Make a modification similar to his to avoid the double-
free but also move the completion to another spot so it
is only done after start() either finished or failed so
that stop() can have a consistent state.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If CONFIG_PM_SLEEP is disabled, then iwlwifi doesn't
support suspend/resume handlers and thus mac80211
(correctly) refuses advertising WoWLAN. Disable
WoWLAN in the driver in this case.
Cc: stable@kernel.org
Reported-by: Sebastian Kemper <sebastian_ml@gmx.net>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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MacBook Pro models with BCM4331 wireless have been found to have the ext
PA lines disabled after resuming from S3 without external power attach.
This causes them to be unable to transmit. Add a workaround to ensure
that the ext PA lines are enabled on BCM4331. Also extend all handling
of ext PA line muxing to BCM43431 as is done in the Broadcom SDK.
BugLink: http://bugs.launchpad.net/bugs/925577
Cc: Arend van Spriel <arend@broadcom.com>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: stable@vger.kernel.org
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Remove spinlock as atomic_t can be used instead. Note we use only 16
lower bits, upper bits are changed but we impilcilty cast to u16.
This fix possible deadlock on IBSS mode reproted by lockdep:
=================================
[ INFO: inconsistent lock state ]
3.4.0-wl+ #4 Not tainted
---------------------------------
inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage.
kworker/u:2/30374 [HC0[0]:SC0[0]:HE1:SE1] takes:
(&(&intf->seqlock)->rlock){+.?...}, at: [<f9979a20>] rt2x00queue_create_tx_descriptor+0x380/0x490 [rt2x00lib]
{IN-SOFTIRQ-W} state was registered at:
[<c04978ab>] __lock_acquire+0x47b/0x1050
[<c0498504>] lock_acquire+0x84/0xf0
[<c0835733>] _raw_spin_lock+0x33/0x40
[<f9979a20>] rt2x00queue_create_tx_descriptor+0x380/0x490 [rt2x00lib]
[<f9979f2a>] rt2x00queue_write_tx_frame+0x1a/0x300 [rt2x00lib]
[<f997834f>] rt2x00mac_tx+0x7f/0x380 [rt2x00lib]
[<f98fe363>] __ieee80211_tx+0x1b3/0x300 [mac80211]
[<f98ffdf5>] ieee80211_tx+0x105/0x130 [mac80211]
[<f99000dd>] ieee80211_xmit+0xad/0x100 [mac80211]
[<f9900519>] ieee80211_subif_start_xmit+0x2d9/0x930 [mac80211]
[<c0782e87>] dev_hard_start_xmit+0x307/0x660
[<c079bb71>] sch_direct_xmit+0xa1/0x1e0
[<c0784bb3>] dev_queue_xmit+0x183/0x730
[<c078c27a>] neigh_resolve_output+0xfa/0x1e0
[<c07b436a>] ip_finish_output+0x24a/0x460
[<c07b4897>] ip_output+0xb7/0x100
[<c07b2d60>] ip_local_out+0x20/0x60
[<c07e01ff>] igmpv3_sendpack+0x4f/0x60
[<c07e108f>] igmp_ifc_timer_expire+0x29f/0x330
[<c04520fc>] run_timer_softirq+0x15c/0x2f0
[<c0449e3e>] __do_softirq+0xae/0x1e0
irq event stamp: 18380437
hardirqs last enabled at (18380437): [<c0526027>] __slab_alloc.clone.3+0x67/0x5f0
hardirqs last disabled at (18380436): [<c0525ff3>] __slab_alloc.clone.3+0x33/0x5f0
softirqs last enabled at (18377616): [<c0449eb3>] __do_softirq+0x123/0x1e0
softirqs last disabled at (18377611): [<c041278d>] do_softirq+0x9d/0xe0
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&(&intf->seqlock)->rlock);
<Interrupt>
lock(&(&intf->seqlock)->rlock);
*** DEADLOCK ***
4 locks held by kworker/u:2/30374:
#0: (wiphy_name(local->hw.wiphy)){++++.+}, at: [<c045cf99>] process_one_work+0x109/0x3f0
#1: ((&sdata->work)){+.+.+.}, at: [<c045cf99>] process_one_work+0x109/0x3f0
#2: (&ifibss->mtx){+.+.+.}, at: [<f98f005b>] ieee80211_ibss_work+0x1b/0x470 [mac80211]
#3: (&intf->beacon_skb_mutex){+.+...}, at: [<f997a644>] rt2x00queue_update_beacon+0x24/0x50 [rt2x00lib]
stack backtrace:
Pid: 30374, comm: kworker/u:2 Not tainted 3.4.0-wl+ #4
Call Trace:
[<c04962a6>] print_usage_bug+0x1f6/0x220
[<c0496a12>] mark_lock+0x2c2/0x300
[<c0495ff0>] ? check_usage_forwards+0xc0/0xc0
[<c04978ec>] __lock_acquire+0x4bc/0x1050
[<c0527890>] ? __kmalloc_track_caller+0x1c0/0x1d0
[<c0777fb6>] ? copy_skb_header+0x26/0x90
[<c0498504>] lock_acquire+0x84/0xf0
[<f9979a20>] ? rt2x00queue_create_tx_descriptor+0x380/0x490 [rt2x00lib]
[<c0835733>] _raw_spin_lock+0x33/0x40
[<f9979a20>] ? rt2x00queue_create_tx_descriptor+0x380/0x490 [rt2x00lib]
[<f9979a20>] rt2x00queue_create_tx_descriptor+0x380/0x490 [rt2x00lib]
[<f997a5cf>] rt2x00queue_update_beacon_locked+0x5f/0xb0 [rt2x00lib]
[<f997a64d>] rt2x00queue_update_beacon+0x2d/0x50 [rt2x00lib]
[<f9977e3a>] rt2x00mac_bss_info_changed+0x1ca/0x200 [rt2x00lib]
[<f9977c70>] ? rt2x00mac_remove_interface+0x70/0x70 [rt2x00lib]
[<f98e4dd0>] ieee80211_bss_info_change_notify+0xe0/0x1d0 [mac80211]
[<f98ef7b8>] __ieee80211_sta_join_ibss+0x3b8/0x610 [mac80211]
[<c0496ab4>] ? mark_held_locks+0x64/0xc0
[<c0440012>] ? virt_efi_query_capsule_caps+0x12/0x50
[<f98efb09>] ieee80211_sta_join_ibss+0xf9/0x140 [mac80211]
[<f98f0456>] ieee80211_ibss_work+0x416/0x470 [mac80211]
[<c0496d8b>] ? trace_hardirqs_on+0xb/0x10
[<c077683b>] ? skb_dequeue+0x4b/0x70
[<f98f207f>] ieee80211_iface_work+0x13f/0x230 [mac80211]
[<c045cf99>] ? process_one_work+0x109/0x3f0
[<c045d015>] process_one_work+0x185/0x3f0
[<c045cf99>] ? process_one_work+0x109/0x3f0
[<f98f1f40>] ? ieee80211_teardown_sdata+0xa0/0xa0 [mac80211]
[<c045ed86>] worker_thread+0x116/0x270
[<c045ec70>] ? manage_workers+0x1e0/0x1e0
[<c0462f64>] kthread+0x84/0x90
[<c0462ee0>] ? __init_kthread_worker+0x60/0x60
[<c083d382>] kernel_thread_helper+0x6/0x10
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Using | with a constant is always true.
Likely this should have be &.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Enforcing interface combinations broke uses of hwsim
with multiple virtual interfaces. Advertise that all
combinations are possible to fix this.
Reported-by: Nirav Shah <nirav.j2.shah@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Since my commit
iwlwifi: use valid TX/RX antenna from hw_params
the config values are pure overrides, not the
real values for all hardware. Therefore, the
EEPROM TX power reading code checks the wrong
values, it should check the hw_params values.
Cc: stable@kernel.org [3.4]
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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mwifiex uAP supports NL80211_HIDDEN_SSID_ZERO_LEN type of hidden
SSID only. NL80211_HIDDEN_SSID_ZERO_CONTENTS is not supported.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Mark bss_config parameters as invalid before setting AP channel.
This prevents from setting invalid parameters while setting AP
channel to FW.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Change the busy-waiting/udelay to wait_event on outstanding sends.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes the interrupt mask for IC101 A/G devices
and now enables the link/speed/duplex interrupts.
This is done by setting the "INTR pin used" bit and cleaning
all the other bits in the Register 17.
Reported-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Using | with a constant is always true.
Likely this should have be &.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Fix the issue of C_CAN interrupts getting disabled forever when canconfig
utility is used multiple times. According to NAPI usage we disable all
the hardware interrupts in ISR and re-enable them in poll(). Current
implementation calls napi_enable() after hardware interrupts are enabled.
If we get any interrupts between these two steps then we do not process
those interrupts because napi is not enabled. Mostly these interrupts
come because of STATUS is not 0x7 or ERROR interrupts. If napi_enable()
happens before HW interrupts enabled then c_can_poll() function will be
called eventual re-enabling.
This patch moves the napi_enable() call before interrupts enabled.
Cc: stable@kernel.org # 2.6.39+
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This patch fixes an interrupt thrash issue with c_can driver.
In c_can_isr() function interrupts are disabled and enabled only in
c_can_poll() function. c_can_isr() & c_can_poll() both read the
irqstatus flag. However, irqstatus is always read as 0 in c_can_poll()
because all C_CAN interrupts are disabled in c_can_isr(). This causes
all interrupts to be re-enabled in c_can_poll() which in turn causes
another interrupt since the event is not really handled. This keeps
happening causing a flood of interrupts.
To fix this, read the irqstatus register in isr and use the same cached
value in the poll function.
Cc: stable@kernel.org # 2.6.39+
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This patch fixes an issue with transmit routine, which causes
"can_put_echo_skb: BUG! echo_skb is occupied!" message when
using "cansequence -p" on D_CAN controller.
In c_can driver, while transmitting packets tx_echo flag holds
the no of can frames put for transmission into the hardware.
As the comment above c_can_do_tx() indicates, if we find any packet
which is not transmitted then we should stop looking for more.
In the current implementation this is not taken care of causing the
said message.
Also, fix the condition used to find if the packet is transmitted
or not. Current code skips the first tx message object and ends up
checking one extra invalid object.
While at it, fix the comment on top of c_can_do_tx() to use the
terminology "packet" instead of "package" since it is more
standard.
Cc: stable@kernel.org # 2.6.39+
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm
Pull device-mapper updates from Alasdair G Kergon:
"Improve multipath's retrying mechanism in some defined circumstances
and provide a simple reserve/release mechanism for userspace tools to
access thin provisioning metadata while the pool is in use."
* tag 'dm-3.5-changes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm:
dm thin: provide userspace access to pool metadata
dm thin: use slab mempools
dm mpath: allow ioctls to trigger pg init
dm mpath: delay retry of bypassed pg
dm mpath: reduce size of struct multipath
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This patch implements two new messages that can be sent to the thin
pool target allowing it to take a snapshot of the _metadata_. This,
read-only snapshot can be accessed by userland, concurrently with the
live target.
Only one metadata snapshot can be held at a time. The pool's status
line will give the block location for the current msnap.
Since version 0.1.5 of the userland thin provisioning tools, the
thin_dump program displays the msnap as follows:
thin_dump -m <msnap root> <metadata dev>
Available here: https://github.com/jthornber/thin-provisioning-tools
Now that userland can access the metadata we can do various things
that have traditionally been kernel side tasks:
i) Incremental backups.
By using metadata snapshots we can work out what blocks have
changed over time. Combined with data snapshots we can ensure
the data doesn't change while we back it up.
A short proof of concept script can be found here:
https://github.com/jthornber/thinp-test-suite/blob/master/incremental_backup_example.rb
ii) Migration of thin devices from one pool to another.
iii) Merging snapshots back into an external origin.
iv) Asyncronous replication.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Use dedicated caches prefixed with a "dm_" name rather than relying on
kmalloc mempools backed by generic slab caches so the memory usage of
thin provisioning (and any leaks) can be accounted for independently.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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After the failure of a group of paths, any alternative paths that
need initialising do not become available until further I/O is sent to
the device. Until this has happened, ioctls return -EAGAIN.
With this patch, new paths are made available in response to an ioctl
too. The processing of the ioctl gets delayed until this has happened.
Instead of returning an error, we submit a work item to kmultipathd
(that will potentially activate the new path) and retry in ten
milliseconds.
Note that the patch doesn't retry an ioctl if the ioctl itself fails due
to a path failure. Such retries should be handled intelligently by the
code that generated the ioctl in the first place, noting that some SCSI
commands should not be retried because they are not idempotent (XOR write
commands). For commands that could be retried, there is a danger that
if the device rejected the SCSI command, the path could be errorneously
marked as failed, and the request would be retried on another path which
might fail too. It can be determined if the failure happens on the
device or on the SCSI controller, but there is no guarantee that all
SCSI drivers set these flags correctly.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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If I/O needs retrying and only bypassed priority groups are available,
set the pg_init_delay_retry flag to wait before retrying.
If, for example, the reason for the bypass is that the controller is
getting reset or there is a firmware upgrade happening, retrying right
away would cause a flood of log messages and retries for what could be a
few seconds or even several minutes.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Move multipath structure's 'lock' and 'queue_size' members to eliminate
two 4-byte holes. Also use a bit within a single unsigned int for each
existing flag (saves 8-bytes). This allows future flags to be added
without each consuming an unsigned int.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Pull networking updates from David Miller:
1) Make syn floods consume significantly less resources by
a) Not pre-COW'ing routing metrics for SYN/ACKs
b) Mirroring the device queue mapping of the SYN for the SYN/ACK
reply.
Both from Eric Dumazet.
2) Fix calculation errors in Byte Queue Limiting, from Hiroaki SHIMODA.
3) Validate the length requested when building a paged SKB for a
socket, so we don't overrun the page vector accidently. From Jason
Wang.
4) When netlabel is disabled, we abort all IP option processing when we
see a CIPSO option. This isn't the right thing to do, we should
simply skip over it and continue processing the remaining options
(if any). Fix from Paul Moore.
5) SRIOV fixes for the mellanox driver from Jack orgenstein and Marcel
Apfelbaum.
6) 8139cp enables the receiver before the ring address is properly
programmed, which potentially lets the device crap over random
memory. Fix from Jason Wang.
7) e1000/e1000e fixes for i217 RST handling, and an improper buffer
address reference in jumbo RX frame processing from Bruce Allan and
Sebastian Andrzej Siewior, respectively.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
fec_mpc52xx: fix timestamp filtering
mcs7830: Implement link state detection
e1000e: fix Rapid Start Technology support for i217
e1000: look into the page instead of skb->data for e1000_tbi_adjust_stats()
r8169: call netif_napi_del at errpaths and at driver unload
tcp: reflect SYN queue_mapping into SYNACK packets
tcp: do not create inetpeer on SYNACK message
8139cp/8139too: terminate the eeprom access with the right opmode
8139cp: set ring address before enabling receiver
cipso: handle CIPSO options correctly when NetLabel is disabled
net: sock: validate data_len before allocating skb in sock_alloc_send_pskb()
bql: Avoid possible inconsistent calculation.
bql: Avoid unneeded limit decrement.
bql: Fix POSDIFF() to integer overflow aware.
net/mlx4_core: Fix obscure mlx4_cmd_box parameter in QUERY_DEV_CAP
net/mlx4_core: Check port out-of-range before using in mlx4_slave_cap
net/mlx4_core: Fixes for VF / Guest startup flow
net/mlx4_en: Fix improper use of "port" parameter in mlx4_en_event
net/mlx4_core: Fix number of EQs used in ICM initialisation
net/mlx4_core: Fix the slave_id out-of-range test in mlx4_eq_int
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This reverts the tty layer change to use per-tty locking, because it's
not correct yet, and fixing it will require some more deep surgery.
The main revert is d29f3ef39be4 ("tty_lock: Localise the lock"), but
there are several smaller commits that built upon it, they also get
reverted here. The list of reverted commits is:
fde86d310886 - tty: add lockdep annotations
8f6576ad476b - tty: fix ldisc lock inversion trace
d3ca8b64b97e - pty: Fix lock inversion
b1d679afd766 - tty: drop the pty lock during hangup
abcefe5fc357 - tty/amiserial: Add missing argument for tty_unlock()
fd11b42e3598 - cris: fix missing tty arg in wait_event_interruptible_tty call
d29f3ef39be4 - tty_lock: Localise the lock
The revert had a trivial conflict in the 68360serial.c staging driver
that got removed in the meantime.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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skb_defer_rx_timestamp was called with a freshly allocated skb but must
be called with rskb instead.
Signed-off-by: Stephan Gatzka <stephan@gatzka.org>
Cc: stable <stable@vger.kernel.org>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add .status callback that detects link state changes.
Tested with MCS7832CV-AA chip (9710:7830, identified as rev.C by the driver).
Fixes https://bugzilla.kernel.org/show_bug.cgi?id=28532
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The definition of I217_PROXY_CTRL must use the BM_PHY_REG() macro instead
of the PHY_REG() macro for PHY page 800 register 70 since it is for a PHY
register greater than the maximum allowed by the latter macro, and fix a
typo setting the I217_MEMPWR register in e1000_suspend_workarounds_ich8lan.
Also for clarity, rename a few defines as bit definitions instead of masks.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This is another fixup where the data is not transfered into buffer
addressed by skb->data but into a page.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Pull fbdev updates from Florian Tobias Schandinat:
- driver for AUO-K1900 and AUO-K1901 epaper controller
- large updates for OMAP (e.g. decouple HDMI audio and video)
- some updates for Exynos and SH Mobile
- various other small fixes and cleanups
* tag 'fbdev-updates-for-3.5' of git://github.com/schandinat/linux-2.6: (130 commits)
video: bfin_adv7393fb: Fix cleanup code
video: exynos_dp: reduce delay time when configuring video setting
video: exynos_dp: move sw reset prioir to enabling sw defined function
video: exynos_dp: use devm_ functions
fb: handle NULL pointers in framebuffer release
OMAPDSS: HDMI: OMAP4: Update IRQ flags for the HPD IRQ request
OMAPDSS: Apply VENC timings even if panel is disabled
OMAPDSS: VENC/DISPC: Delay dividing Y resolution for managers connected to VENC
OMAPDSS: DISPC: Support rotation through TILER
OMAPDSS: VRFB: remove compiler warnings when CONFIG_BUG=n
OMAPFB: remove compiler warnings when CONFIG_BUG=n
OMAPDSS: remove compiler warnings when CONFIG_BUG=n
OMAPDSS: DISPC: fix usage of dispc_ovl_set_accu_uv
OMAPDSS: use DSI_FIFO_BUG workaround only for manual update displays
OMAPDSS: DSI: Support command mode interleaving during video mode blanking periods
OMAPDSS: DISPC: Update Accumulator configuration for chroma plane
drivers/video: fsl-diu-fb: don't initialize the THRESHOLDS registers
video: exynos mipi dsi: support reverse panel type
video: exynos mipi dsi: Properly interpret the interrupt source flags
video: exynos mipi dsi: Avoid races in probe()
...
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Pull mtd update from David Woodhouse:
- More robust parsing especially of xattr data in JFFS2
- Updates to mxc_nand and gpmi drivers to support new boards and device tree
- Improve consistency of information about ECC strength in NAND devices
- Clean up partition handling of plat_nand
- Support NAND drivers without dedicated access to OOB area
- BCH hardware ECC support for OMAP
- Other fixes and cleanups, and a few new device IDs
Fixed trivial conflict in drivers/mtd/nand/gpmi-nand/gpmi-nand.c due to
added include files next to each other.
* tag 'for-linus-3.5-20120601' of git://git.infradead.org/linux-mtd: (75 commits)
mtd: mxc_nand: move ecc strengh setup before nand_scan_tail
mtd: block2mtd: fix recursive call of mtd_writev
mtd: gpmi-nand: define ecc.strength
mtd: of_parts: fix breakage in Kconfig
mtd: nand: fix scan_read_raw_oob
mtd: docg3 fix in-middle of blocks reads
mtd: cfi_cmdset_0002: Slight cleanup of fixup messages
mtd: add fixup for S29NS512P NOR flash.
jffs2: allow to complete xattr integrity check on first GC scan
jffs2: allow to discriminate between recoverable and non-recoverable errors
mtd: nand: omap: add support for hardware BCH ecc
ARM: OMAP3: gpmc: add BCH ecc api and modes
mtd: nand: check the return code of 'read_oob/read_oob_raw'
mtd: nand: remove 'sndcmd' parameter of 'read_oob/read_oob_raw'
mtd: m25p80: Add support for Winbond W25Q80BW
jffs2: get rid of jffs2_sync_super
jffs2: remove unnecessary GC pass on sync
jffs2: remove unnecessary GC pass on umount
jffs2: remove lock_super
mtd: gpmi: add gpmi support for mx6q
...
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Pull x86 platform driver updates from Matthew Garrett:
"Some significant improvements for the Sony driver on newer machines,
but other than that mostly just minor fixes and a patch to remove the
broken rfkill code from the Dell driver."
* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (35 commits)
apple-gmux: Fix up the suspend/resume patch
dell-laptop: Remove rfkill code
toshiba_acpi: Fix mis-merge
dell-laptop: Add touchpad led support for Dell V3450
acer-wmi: add 3 laptops to video backlight vendor mode quirk table
sony-laptop: add touchpad enable/disable function
sony-laptop: add missing Fn key combos for 0x100 handlers
sony-laptop: add support for more WWAN modems
sony-laptop: new keyboard backlight handle
sony-laptop: add high speed battery charging function
sony-laptop: support automatic resume on lid open
sony-laptop: adjust error handling in finding SNC handles
sony-laptop: add thermal profiles support
sony-laptop: support battery care functions
sony-laptop: additional debug statements
sony-laptop: improve SNC initialization and acpi notify callback code
sony-laptop: use kstrtoul to parse sysfs values
sony-laptop: generalise ACPI calls into SNC functions
sony-laptop: fix return path when no ACPI buffer is allocated
sony-laptop: use soft rfkill status stored in hw
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm fixes for ux500 mismerge mishap from Arnd Bergmann:
"The device tree conversion for arm/ux500 in 3.5 turns out to be
incomplete because of a mismerge done by Linus Walleij that I failed
to notice early enough and that Lee Jones as the original author of
those patches did not manage to fix during the -next cycle. While we
originally to get a much larger set of ux500 device tree enablement
patches merged, this did not happen in time.
After some discussion at Linaro Connect conference this week, Lee has
been able to do damage control and provide a series to put the broken
platform back into usable shape for both DT and non-DT based booting.
This series has not been part of linux-next and is based on top of the
current state of the upstream kernel rather than an -rc, but this is
the best we could manage given the earlier breakage."
* 'ux500/hickup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: ux500: Enable probing of pinctrl through Device Tree
ARM: ux500: Add support for ab8500 regulators into the Device Tree
ARM: ux500: Provide regulator support for SMSC911x via Device Tree
ARM: ux500: Allow PRCMU regulator to be probed during a DT enabled boot
ARM: ux500: Apply db8500-prcmu regulator information to db8500 Device Tree
ARM: ux500: Only initialise STE's UIBs on boards which support them
ARM: ux500: Disable platform setup of the ab8500 when DT is enabled
ARM: ux500: Use correct format for dynamic IRQ assignment
ARM: ux500: Re-enable SMSC911x platform code registration during non-DT boots
ARM: ux500: PRCMU related configuration and layout corrections for Device Tree
ARM: ux500: Remove DB8500 PRCMU platform registration when DT is enabled
ARM: ux500: Disable SMSC911x platform code registration when DT is enabled
ARM: ux500: New DT:ed u8500_init_devices for one-by-one device enablement
ARM: ux500: New DT:ed snowball_platform_devs for one-by-one device enablement
pinctrl-nomadik: Allow Device Tree driver probing
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when register_netdev fails, the init'ed NAPIs by netif_napi_add must be
deleted with netif_napi_del, and also when driver unloads, it should
delete the NAPI before unregistering netdevice using unregister_netdev.
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull drm fixes from Dave Airlie:
"A bunch of fixes:
- vmware memory corruption
- ttm spinlock balance
- cirrus/mgag200 work in the presence of efifb
and finally Alex and Jerome managed to track down a magic set of bits
that on certain rv740 and evergreen cards allow the correct use of the
complete set of render backends, this makes the cards operate
correctly in a number of scenarios we had issues in before, it also
manages to boost speed on benchmarks my large amounts on these
specific gpus."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/edid: Make the header fixup threshold tunable
drm/radeon: fix regression in UMS CS ioctl
drm/vmwgfx: Fix nasty write past alloced memory area
drm/ttm: Fix spinlock imbalance
drm/radeon: fixup tiling group size and backendmap on r6xx-r9xx (v4)
drm/radeon: fix HD6790, HD6570 backend programming
drm/radeon: properly program gart on rv740, juniper, cypress, barts, hemlock
drm/radeon: fix bank information in tiling config
drm/mgag200: kick off conflicting framebuffers earlier.
drm/cirrus: kick out conflicting framebuffers earlier
cirrus: avoid crash if driver fails to load
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Since commit 6a918bade9dab40aaef80559bd1169c69e8d69cb, the mxc_nand driver
fails with:
Driver must set ecc.strength when using hardware ECC
This is because nand_scan_tail checks for correct ecc strength
settings, so we must set them up before nand_scan_tail.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: stable@vger.kernel.org [3.4+]
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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The 'mtd_writev' interface calls the function assigned
to the '_write' field of a given mtd device if that is
not NULL. The block2mtd driver sets the '_writev' field
to the 'mtd_writev' function itself and thus causes a
endless loop.
This is caused by 1dbebd32562b3c2caeca35960e5cb00bfcc12900
(mtd: harmonize mtd_writev usage).
Remove the assignment from the block2mtd driver to fix the
issue.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: stable@kernel.org [3.3+]
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Fix an issue which was introduced by the recent addition of ecc.strength.
The ecc.strength wasn't set in gpmi-nand, resulting in the following crash:
[ 2.550000] kernel BUG at drivers/mtd/nand/nand_base.c:3347!
...
[ 2.550000] [<c020841c>] (nand_scan_tail+0x328/0x650) from [<c02f68e0>] (gpmi_nand_probe+0x43c/0x5a4)
[ 2.550000] [<c02f68e0>] (gpmi_nand_probe+0x43c/0x5a4) from [<c01f6618>] (platform_drv_probe+0x14/0x18)
[ 2.550000] [<c01f6618>] (platform_drv_probe+0x14/0x18) from [<c01f55b0>] (driver_probe_device+0x74/0x1fc)
[ 2.550000] [<c01f55b0>] (driver_probe_device+0x74/0x1fc) from [<c01f57cc>] (__driver_attach+0x94/0x98)
[ 2.550000] [<c01f57cc>] (__driver_attach+0x94/0x98) from [<c01f3d40>] (bus_for_each_dev+0x50/0x80)
[ 2.550000] [<c01f3d40>] (bus_for_each_dev+0x50/0x80) from [<c01f4e18>] (bus_add_driver+0x188/0x25c)
[ 2.550000] [<c01f4e18>] (bus_add_driver+0x188/0x25c) from [<c01f5a70>] (driver_register+0x78/0x138)
[ 2.550000] [<c01f5a70>] (driver_register+0x78/0x138) from [<c043dc7c>] (gpmi_nand_init+0xc/0x30)
[ 2.550000] [<c043dc7c>] (gpmi_nand_init+0xc/0x30) from [<c0008824>] (do_one_initcall+0x108/0x17c)
[ 2.550000] [<c0008824>] (do_one_initcall+0x108/0x17c) from [<c042a8b8>] (kernel_init+0xfc/0x1bc)
[ 2.550000] [<c042a8b8>] (kernel_init+0xfc/0x1bc) from [<c000fab4>] (kernel_thread_exit+0x0/0x8)
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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